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Haruhisa Tanabe

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Patents Grantslast 30 patents

  • Information Patent Grant

    Condenser microphone and method for manufacturing the same
    • Patent number 7,620,191
    • Issue date Nov 17, 2009
    • Citizen Electronics Co., Ltd.
    • Haruhisa Tanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Condenser microphone
    • Patent number 6,947,568
    • Issue date Sep 20, 2005
    • Citizen Electronics Co., Ltd.
    • Haruhisa Tanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electret microphone
    • Patent number 6,898,292
    • Issue date May 24, 2005
    • Citizen Electronics Co., Ltd.
    • Haruhisa Tanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electret microphone
    • Patent number 6,744,896
    • Issue date Jun 1, 2004
    • Citizen Electronics Co., Ltd.
    • Haruhisa Tanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method for manufacturing condenser microphones
    • Patent number 6,708,387
    • Issue date Mar 23, 2004
    • Citizen Electronics Co., Ltd.
    • Haruhisa Tanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Microphone
    • Patent number D476976
    • Issue date Jul 8, 2003
    • Citizen Electronics Co., Ltd.
    • Haruhisa Tanabe
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents